function populate(form)
{
form.options.length = 0;
form.options[0] = new Option("Select a county of South Dakota","");
form.options[1] = new Option("Aurora County","Aurora County");
form.options[2] = new Option("Beadle County","Beadle County");
form.options[3] = new Option("Bennett County","Bennett County");
form.options[4] = new Option("Bon Homme County","Bon Homme County");
form.options[5] = new Option("Brookings County","Brookings County");
form.options[6] = new Option("Brown County","Brown County");
form.options[7] = new Option("Brule County","Brule County");
form.options[8] = new Option("Buffalo County","Buffalo County");
form.options[9] = new Option("Butte County","Butte County");
form.options[10] = new Option("Campbell County","Campbell County");
form.options[11] = new Option("Charles Mix County","Charles Mix County");
form.options[12] = new Option("Clark County","Clark County");
form.options[13] = new Option("Clay County","Clay County");
form.options[14] = new Option("Codington County","Codington County");
form.options[15] = new Option("Corson County","Corson County");
form.options[16] = new Option("Custer County","Custer County");
form.options[17] = new Option("Davison County","Davison County");
form.options[18] = new Option("Day County","Day County");
form.options[19] = new Option("Deuel County","Deuel County");
form.options[20] = new Option("Dewey County","Dewey County");
form.options[21] = new Option("Douglas County","Douglas County");
form.options[22] = new Option("Edmunds County","Edmunds County");
form.options[23] = new Option("Fall River County","Fall River County");
form.options[24] = new Option("Faulk County","Faulk County");
form.options[25] = new Option("Grant County","Grant County");
form.options[26] = new Option("Gregory County","Gregory County");
form.options[27] = new Option("Haakon County","Haakon County");
form.options[28] = new Option("Hamlin County","Hamlin County");
form.options[29] = new Option("Hand County","Hand County");
form.options[30] = new Option("Hanson County","Hanson County");
form.options[31] = new Option("Harding County","Harding County");
form.options[32] = new Option("Hughes County","Hughes County");
form.options[33] = new Option("Hutchinson County","Hutchinson County");
form.options[34] = new Option("Hyde County","Hyde County");
form.options[35] = new Option("Jackson County","Jackson County");
form.options[36] = new Option("Jerauld County","Jerauld County");
form.options[37] = new Option("Jones County","Jones County");
form.options[38] = new Option("Kingsbury County","Kingsbury County");
form.options[39] = new Option("Lake County","Lake County");
form.options[40] = new Option("Lawrence County","Lawrence County");
form.options[41] = new Option("Lincoln County","Lincoln County");
form.options[42] = new Option("Lyman County","Lyman County");
form.options[43] = new Option("Marshall County","Marshall County");
form.options[44] = new Option("McCook County","McCook County");
form.options[45] = new Option("McPherson County","McPherson County");
form.options[46] = new Option("Meade County","Meade County");
form.options[47] = new Option("Mellette County","Mellette County");
form.options[48] = new Option("Miner County","Miner County");
form.options[49] = new Option("Minnehaha County","Minnehaha County");
form.options[50] = new Option("Moody County","Moody County");
form.options[51] = new Option("Pennington County","Pennington County");
form.options[52] = new Option("Perkins County","Perkins County");
form.options[53] = new Option("Potter County","Potter County");
form.options[54] = new Option("Roberts County","Roberts County");
form.options[55] = new Option("Sanborn County","Sanborn County");
form.options[56] = new Option("Shannon County","Shannon County");
form.options[57] = new Option("Spink County","Spink County");
form.options[58] = new Option("Stanley County","Stanley County");
form.options[59] = new Option("Sully County","Sully County");
form.options[60] = new Option("Todd County","Todd County");
form.options[61] = new Option("Tripp County","Tripp County");
form.options[62] = new Option("Turner County","Turner County");
form.options[63] = new Option("Union County","Union County");
form.options[64] = new Option("Walworth County","Walworth County");
form.options[65] = new Option("Yankton County","Yankton County");
form.options[66] = new Option("Ziebach County","Ziebach County");
}